152309746 has 8 divisors (see below), whose sum is σ = 228548700. Its totient is φ = 76126848.

The previous prime is 152309743. The next prime is 152309767. The reversal of 152309746 is 647903251.

It can be written as a sum of positive squares in 2 ways, for example, as 110565225 + 41744521 = 10515^2 + 6461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (152309743) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6391 + ... + 18586.

Almost surely, 2^152309746 is an apocalyptic number.

152309746 is a deficient number, since it is larger than the sum of its proper divisors (76238954).

152309746 is a wasteful number, since it uses less digits than its factorization.

152309746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28028.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 152309746 is about 12341.3834718803. The cubic root of 152309746 is about 534.0425955071.

It can be divided in two parts, 15230 and 9746, that added together give a triangular number (24976 = T₂₂₃).

The spelling of 152309746 in words is "one hundred fifty-two million, three hundred nine thousand, seven hundred forty-six".