45158254 has 4 divisors (see below), whose sum is σ = 67737384. Its totient is φ = 22579126.

The previous prime is 45158237. The next prime is 45158257. The reversal of 45158254 is 45285154.

It is a happy number.

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

It is a super-3 number, since 3×45158254³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45158257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11289562 + ... + 11289565.

It is an arithmetic number, because the mean of its divisors is an integer number (16934346).

Almost surely, 2^45158254 is an apocalyptic number.

45158254 is a deficient number, since it is larger than the sum of its proper divisors (22579130).

45158254 is a wasteful number, since it uses less digits than its factorization.

45158254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22579129.

The product of its digits is 32000, while the sum is 34.

The square root of 45158254 is about 6719.9891368960. The cubic root of 45158254 is about 356.1058000989.

It can be divided in two parts, 4515 and 8254, that added together give a square (12769 = 113²).

The spelling of 45158254 in words is "forty-five million, one hundred fifty-eight thousand, two hundred fifty-four".