1545055131 has 16 divisors (see below), whose sum is σ = 2073534080. Its totient is φ = 1023321600.

The previous prime is 1545055121. The next prime is 1545055133. The reversal of 1545055131 is 1315505451.

It is not a de Polignac number, because 1545055131 - 2¹⁵ = 1545022363 is a prime.

It is a super-2 number, since 2×1545055131² = 4774390715658854322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1545055133) 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, 607260 + ... + 609798.

It is an arithmetic number, because the mean of its divisors is an integer number (129595880).

Almost surely, 2^1545055131 is an apocalyptic number.

1545055131 is a deficient number, since it is larger than the sum of its proper divisors (528478949).

1545055131 is a wasteful number, since it uses less digits than its factorization.

1545055131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1545055131 is about 39307.1893042481. The cubic root of 1545055131 is about 1156.0625345317.

The spelling of 1545055131 in words is "one billion, five hundred forty-five million, fifty-five thousand, one hundred thirty-one".