40156045 has 8 divisors (see below), whose sum is σ = 50282496. Its totient is φ = 30728016.

The previous prime is 40156021. The next prime is 40156069. The reversal of 40156045 is 54065104.

It is an interprime number because it is at equal distance from previous prime (40156021) and next prime (40156069).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40156045 - 2⁵ = 40156013 is a prime.

It is a super-2 number, since 2×40156045² = 3225015900084050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174477 + ... + 174706.

It is an arithmetic number, because the mean of its divisors is an integer number (6285312).

Almost surely, 2^40156045 is an apocalyptic number.

It is an amenable number.

40156045 is a deficient number, since it is larger than the sum of its proper divisors (10126451).

40156045 is a wasteful number, since it uses less digits than its factorization.

40156045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349211.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 40156045 is about 6336.8797526859. The cubic root of 40156045 is about 342.4393342744.

The spelling of 40156045 in words is "forty million, one hundred fifty-six thousand, forty-five".