152445405 has 32 divisors (see below), whose sum is σ = 283339008. Its totient is φ = 68544000.

The previous prime is 152445367. The next prime is 152445407. The reversal of 152445405 is 504544251.

It is not a de Polignac number, because 152445405 - 2¹⁰ = 152444381 is a prime.

It is a super-2 number, since 2×152445405² = 46479203011228050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152445407) 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 31 ways as a sum of consecutive naturals, for example, 5496 + ... + 18305.

It is an arithmetic number, because the mean of its divisors is an integer number (8854344).

Almost surely, 2^152445405 is an apocalyptic number.

152445405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152445405 is a deficient number, since it is larger than the sum of its proper divisors (130893603).

152445405 is a wasteful number, since it uses less digits than its factorization.

152445405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23877.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 152445405 is about 12346.8783504172. The cubic root of 152445405 is about 534.2011018575.

Adding to 152445405 its reverse (504544251), we get a palindrome (656989656).

The spelling of 152445405 in words is "one hundred fifty-two million, four hundred forty-five thousand, four hundred five".