40152345 has 8 divisors (see below), whose sum is σ = 64243776. Its totient is φ = 21414576.

The previous prime is 40152337. The next prime is 40152349. The reversal of 40152345 is 54325104.

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

It is not a de Polignac number, because 40152345 - 2³ = 40152337 is a prime.

It is a super-2 number, since 2×40152345² = 3224421617998050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40152349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1338397 + ... + 1338426.

It is an arithmetic number, because the mean of its divisors is an integer number (8030472).

Almost surely, 2^40152345 is an apocalyptic number.

It is an amenable number.

40152345 is a deficient number, since it is larger than the sum of its proper divisors (24091431).

40152345 is a wasteful number, since it uses less digits than its factorization.

40152345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676831.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40152345 is about 6336.5878041735. The cubic root of 40152345 is about 342.4288164354.

Adding to 40152345 its reverse (54325104), we get a palindrome (94477449).

The spelling of 40152345 in words is "forty million, one hundred fifty-two thousand, three hundred forty-five".