145433057 has 16 divisors (see below), whose sum is σ = 187574400. Its totient is φ = 109415040.

The previous prime is 145433047. The next prime is 145433069. The reversal of 145433057 is 750334541.

It is not a de Polignac number, because 145433057 - 2⁸ = 145432801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145433017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30332 + ... + 34797.

It is an arithmetic number, because the mean of its divisors is an integer number (11723400).

Almost surely, 2^145433057 is an apocalyptic number.

It is an amenable number.

145433057 is a deficient number, since it is larger than the sum of its proper divisors (42141343).

145433057 is a wasteful number, since it uses less digits than its factorization.

145433057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65176.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 145433057 is about 12059.5628859424. The cubic root of 145433057 is about 525.8812796201.

Adding to 145433057 its reverse (750334541), we get a palindrome (895767598).

The spelling of 145433057 in words is "one hundred forty-five million, four hundred thirty-three thousand, fifty-seven".