15145120416 has 24 divisors (see below), whose sum is σ = 39755941344. Its totient is φ = 5048373440.

The previous prime is 15145120411. The next prime is 15145120427. The reversal of 15145120416 is 61402154151.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (15145120411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78880740 + ... + 78880931.

It is an arithmetic number, because the mean of its divisors is an integer number (1656497556).

Almost surely, 2^15145120416 is an apocalyptic number.

15145120416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15145120416 is an abundant number, since it is smaller than the sum of its proper divisors (24610820928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15145120416 is a wasteful number, since it uses less digits than its factorization.

15145120416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157761684 (or 157761676 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 15145120416 its reverse (61402154151), we get a palindrome (76547274567).

The spelling of 15145120416 in words is "fifteen billion, one hundred forty-five million, one hundred twenty thousand, four hundred sixteen".