45156405 has 16 divisors (see below), whose sum is σ = 82571904. Its totient is φ = 20642880.

The previous prime is 45156359. The next prime is 45156427. The reversal of 45156405 is 50465154.

It is not a de Polignac number, because 45156405 - 2¹² = 45152309 is a prime.

It is a super-3 number, since 3×45156405³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

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, 214926 + ... + 215135.

It is an arithmetic number, because the mean of its divisors is an integer number (5160744).

Almost surely, 2^45156405 is an apocalyptic number.

It is an amenable number.

45156405 is a deficient number, since it is larger than the sum of its proper divisors (37415499).

45156405 is a wasteful number, since it uses less digits than its factorization.

45156405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430076.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 45156405 is about 6719.8515608606. The cubic root of 45156405 is about 356.1009397942.

The spelling of 45156405 in words is "forty-five million, one hundred fifty-six thousand, four hundred five".