152749701 has 24 divisors (see below), whose sum is σ = 238956536. Its totient is φ = 93467520.

The previous prime is 152749697. The next prime is 152749703. The reversal of 152749701 is 107947251.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 202500 + 152547201 = 450^2 + 12351^2 .

It is not a de Polignac number, because 152749701 - 2² = 152749697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152749703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17571 + ... + 24783.

Almost surely, 2^152749701 is an apocalyptic number.

It is an amenable number.

152749701 is a deficient number, since it is larger than the sum of its proper divisors (86206835).

152749701 is a wasteful number, since it uses less digits than its factorization.

152749701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413 (or 7410 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 152749701 is about 12359.1949980571. The cubic root of 152749701 is about 534.5563049099.

The spelling of 152749701 in words is "one hundred fifty-two million, seven hundred forty-nine thousand, seven hundred one".