45391151 has 4 divisors (see below), whose sum is σ = 48882792. Its totient is φ = 41899512.

The previous prime is 45391127. The next prime is 45391153. The reversal of 45391151 is 15119354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45391151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45391153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745801 + ... + 1745826.

It is an arithmetic number, because the mean of its divisors is an integer number (12220698).

Almost surely, 2^45391151 is an apocalyptic number.

45391151 is a deficient number, since it is larger than the sum of its proper divisors (3491641).

45391151 is a wasteful number, since it uses less digits than its factorization.

45391151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491640.

The product of its digits is 2700, while the sum is 29.

The square root of 45391151 is about 6737.2955256542. The cubic root of 45391151 is about 356.7169383046.

The spelling of 45391151 in words is "forty-five million, three hundred ninety-one thousand, one hundred fifty-one".