40155151 has 8 divisors (see below), whose sum is σ = 42779520. Its totient is φ = 37581912.

The previous prime is 40155133. The next prime is 40155197. The reversal of 40155151 is 15155104.

It is a happy number.

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 40155151 - 2¹³ = 40146959 is a prime.

It is a super-2 number, since 2×40155151² = 3224872303665602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40155131) 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, 11155 + ... + 14308.

It is an arithmetic number, because the mean of its divisors is an integer number (5347440).

Almost surely, 2^40155151 is an apocalyptic number.

40155151 is a deficient number, since it is larger than the sum of its proper divisors (2624369).

40155151 is a wasteful number, since it uses less digits than its factorization.

40155151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25565.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 40155151 is about 6336.8092128452. The cubic root of 40155151 is about 342.4367929963.

The spelling of 40155151 in words is "forty million, one hundred fifty-five thousand, one hundred fifty-one".