149610402 has 50 divisors (see below), whose sum is σ = 346412715. Its totient is φ = 48261420.

The previous prime is 149610401. The next prime is 149610407. The reversal of 149610402 is 204016941.

149610402 is a `hidden beast` number, since 1 + 4 + 9 + 610 + 40 + 2 = 666.

149610402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 74805201 + 74805201 = 8649^2 + 8649^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8649.

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

It is not an unprimeable number, because it can be changed into a prime (149610401) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 4826127 + ... + 4826157.

Almost surely, 2^149610402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149610402

149610402 is an abundant number, since it is smaller than the sum of its proper divisors (196802313).

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

149610402 is an frugal number, since it uses more digits than its factorization.

149610402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 36 counting only the distinct ones).

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

The square root of 149610402 is about 12231.5331009649. The cubic root of 149610402 is about 530.8688750248.

The spelling of 149610402 in words is "one hundred forty-nine million, six hundred ten thousand, four hundred two".