45152745 has 16 divisors (see below), whose sum is σ = 78812352. Its totient is φ = 21892160.

The previous prime is 45152743. The next prime is 45152753. The reversal of 45152745 is 54725154.

It is not a de Polignac number, because 45152745 - 2¹ = 45152743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45152741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136662 + ... + 136991.

It is an arithmetic number, because the mean of its divisors is an integer number (4925772).

Almost surely, 2^45152745 is an apocalyptic number.

It is an amenable number.

45152745 is a deficient number, since it is larger than the sum of its proper divisors (33659607).

45152745 is a wasteful number, since it uses less digits than its factorization.

45152745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273672.

The product of its digits is 28000, while the sum is 33.

The square root of 45152745 is about 6719.5792278981. The cubic root of 45152745 is about 356.0913186810.

Adding to 45152745 its reverse (54725154), we get a palindrome (99877899).

It can be divided in two parts, 4515 and 2745, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 45152745 in words is "forty-five million, one hundred fifty-two thousand, seven hundred forty-five".