15435540145 has 16 divisors (see below), whose sum is σ = 19173749760. Its totient is φ = 11914915264.

The previous prime is 15435540091. The next prime is 15435540161. The reversal of 15435540145 is 54104553451.

It is a cyclic number.

It is not a de Polignac number, because 15435540145 - 2⁹ = 15435539633 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, 195912 + ... + 263158.

It is an arithmetic number, because the mean of its divisors is an integer number (1198359360).

Almost surely, 2^15435540145 is an apocalyptic number.

It is an amenable number.

15435540145 is a deficient number, since it is larger than the sum of its proper divisors (3738209615).

15435540145 is a wasteful number, since it uses less digits than its factorization.

15435540145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68864.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 15435540145 in words is "fifteen billion, four hundred thirty-five million, five hundred forty thousand, one hundred forty-five".