152040478 has 4 divisors (see below), whose sum is σ = 228060720. Its totient is φ = 76020238.

The previous prime is 152040439. The next prime is 152040521. The reversal of 152040478 is 874040251.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38010118 + ... + 38010121.

It is an arithmetic number, because the mean of its divisors is an integer number (57015180).

Almost surely, 2^152040478 is an apocalyptic number.

152040478 is a deficient number, since it is larger than the sum of its proper divisors (76020242).

152040478 is an equidigital number, since it uses as much as digits as its factorization.

152040478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76020241.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 152040478 is about 12330.4694963331. The cubic root of 152040478 is about 533.7276990319.

The spelling of 152040478 in words is "one hundred fifty-two million, forty thousand, four hundred seventy-eight".