46145520 has 60 divisors (see below), whose sum is σ = 154974456. Its totient is φ = 12305280.

The previous prime is 46145507. The next prime is 46145537. The reversal of 46145520 is 2554164.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31326 + ... + 32765.

Almost surely, 2^46145520 is an apocalyptic number.

46145520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46145520 is an abundant number, since it is smaller than the sum of its proper divisors (108828936).

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

46145520 is a wasteful number, since it uses less digits than its factorization.

46145520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64110 (or 64101 counting only the distinct ones).

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

The square root of 46145520 is about 6793.0493888974. The cubic root of 46145520 is about 358.6822191831.

Adding to 46145520 its reverse (2554164), we get a palindrome (48699684).

It can be divided in two parts, 46145 and 520, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 46145520 in words is "forty-six million, one hundred forty-five thousand, five hundred twenty".