40154146 has 8 divisors (see below), whose sum is σ = 60405840. Its totient is φ = 20018868.

The previous prime is 40154137. The next prime is 40154171. The reversal of 40154146 is 64145104.

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

It is a super-2 number, since 2×40154146² = 3224710881978632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40154146.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28236 + ... + 29623.

It is an arithmetic number, because the mean of its divisors is an integer number (7550730).

Almost surely, 2^40154146 is an apocalyptic number.

40154146 is a deficient number, since it is larger than the sum of its proper divisors (20251694).

40154146 is a wasteful number, since it uses less digits than its factorization.

40154146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58208.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 40154146 is about 6336.7299137647. The cubic root of 40154146 is about 342.4339361453.

The spelling of 40154146 in words is "forty million, one hundred fifty-four thousand, one hundred forty-six".