15145434 has 32 divisors (see below), whose sum is σ = 33929280. Its totient is φ = 5007600.

The previous prime is 15145433. The next prime is 15145447. The reversal of 15145434 is 43454151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 15145398 and 15145407.

It is not an unprimeable number, because it can be changed into a prime (15145433) 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, 6004 + ... + 8144.

It is an arithmetic number, because the mean of its divisors is an integer number (1060290).

Almost surely, 2^15145434 is an apocalyptic number.

15145434 is an abundant number, since it is smaller than the sum of its proper divisors (18783846).

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

15145434 is a wasteful number, since it uses less digits than its factorization.

15145434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283 (or 2277 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 15145434 is about 3891.7135043577. The cubic root of 15145434 is about 247.4156921296.

Adding to 15145434 its reverse (43454151), we get a palindrome (58599585).

The spelling of 15145434 in words is "fifteen million, one hundred forty-five thousand, four hundred thirty-four".