149919510 has 64 divisors (see below), whose sum is σ = 394849728. Its totient is φ = 36201984.

The previous prime is 149919421. The next prime is 149919547. The reversal of 149919510 is 15919941.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17044 + ... + 24296.

It is an arithmetic number, because the mean of its divisors is an integer number (6169527).

Almost surely, 2^149919510 is an apocalyptic number.

149919510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149919510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197424864).

149919510 is an abundant number, since it is smaller than the sum of its proper divisors (244930218).

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

149919510 is a wasteful number, since it uses less digits than its factorization.

149919510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7329.

The product of its (nonzero) digits is 14580, while the sum is 39.

The square root of 149919510 is about 12244.1622824920. The cubic root of 149919510 is about 531.2342304892.

The spelling of 149919510 in words is "one hundred forty-nine million, nine hundred nineteen thousand, five hundred ten".