40151445 has 16 divisors (see below), whose sum is σ = 67036032. Its totient is φ = 20482880.

The previous prime is 40151407. The next prime is 40151453. The reversal of 40151445 is 54415104.

It is a happy number.

It is not a de Polignac number, because 40151445 - 2⁶ = 40151381 is a prime.

It is a super-2 number, since 2×40151445² = 3224277071176050, which contains 22 as substring.

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, 57846 + ... + 58535.

It is an arithmetic number, because the mean of its divisors is an integer number (4189752).

Almost surely, 2^40151445 is an apocalyptic number.

It is an amenable number.

40151445 is a deficient number, since it is larger than the sum of its proper divisors (26884587).

40151445 is a wasteful number, since it uses less digits than its factorization.

40151445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116412.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 40151445 is about 6336.5167876366. The cubic root of 40151445 is about 342.4262579444.

Adding to 40151445 its reverse (54415104), we get a palindrome (94566549).

It can be divided in two parts, 4015 and 1445, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 40151445 in words is "forty million, one hundred fifty-one thousand, four hundred forty-five".