149041620 has 288 divisors, whose sum is σ = 578742528. Its totient is φ = 31352832.

The previous prime is 149041603. The next prime is 149041639. The reversal of 149041620 is 26140941.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 442092 + ... + 442428.

Almost surely, 2^149041620 is an apocalyptic number.

149041620 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 149041620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289371264).

149041620 is an abundant number, since it is smaller than the sum of its proper divisors (429700908).

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

149041620 is a wasteful number, since it uses less digits than its factorization.

149041620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 149041620 is about 12208.2603183255. The cubic root of 149041620 is about 530.1952763277.

The spelling of 149041620 in words is "one hundred forty-nine million, forty-one thousand, six hundred twenty".