46521145 has 16 divisors (see below), whose sum is σ = 61189632. Its totient is φ = 33672960.

The previous prime is 46521143. The next prime is 46521149. The reversal of 46521145 is 54112564.

It is not a de Polignac number, because 46521145 - 2¹ = 46521143 is a prime.

It is a super-2 number, since 2×46521145² = 4328433864222050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46521143) 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, 10369 + ... + 14161.

It is an arithmetic number, because the mean of its divisors is an integer number (3824352).

Almost surely, 2^46521145 is an apocalyptic number.

It is an amenable number.

46521145 is a deficient number, since it is larger than the sum of its proper divisors (14668487).

46521145 is a wasteful number, since it uses less digits than its factorization.

46521145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032.

The product of its digits is 4800, while the sum is 28.

The square root of 46521145 is about 6820.6410988997. The cubic root of 46521145 is about 359.6528160036.

The spelling of 46521145 in words is "forty-six million, five hundred twenty-one thousand, one hundred forty-five".