149027040 has 144 divisors (see below), whose sum is σ = 527527728. Its totient is φ = 39730176.

The previous prime is 149026993. The next prime is 149027057. The reversal of 149027040 is 40720941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 149026995 and 149027013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36964 + ... + 40796.

It is an arithmetic number, because the mean of its divisors is an integer number (3663387).

Almost surely, 2^149027040 is an apocalyptic number.

149027040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149027040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263763864).

149027040 is an abundant number, since it is smaller than the sum of its proper divisors (378500688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149027040 is an equidigital number, since it uses as much as digits as its factorization.

149027040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863 (or 3843 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 149027040 is about 12207.6631670439. The cubic root of 149027040 is about 530.1779869754.

Adding to 149027040 its reverse (40720941), we get a palindrome (189747981).

The spelling of 149027040 in words is "one hundred forty-nine million, twenty-seven thousand, forty".