1545022145 has 16 divisors (see below), whose sum is σ = 1970567040. Its totient is φ = 1159588224.

The previous prime is 1545022139. The next prime is 1545022153. The reversal of 1545022145 is 5412205451.

It is a cyclic number.

It is not a de Polignac number, because 1545022145 - 2⁶ = 1545022081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69164 + ... + 88733.

It is an arithmetic number, because the mean of its divisors is an integer number (123160440).

Almost surely, 2^1545022145 is an apocalyptic number.

It is an amenable number.

1545022145 is a deficient number, since it is larger than the sum of its proper divisors (425544895).

1545022145 is a wasteful number, since it uses less digits than its factorization.

1545022145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158024.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1545022145 is about 39306.7697095551. The cubic root of 1545022145 is about 1156.0543073927.

Adding to 1545022145 its reverse (5412205451), we get a palindrome (6957227596).

The spelling of 1545022145 in words is "one billion, five hundred forty-five million, twenty-two thousand, one hundred forty-five".