45011542 has 4 divisors (see below), whose sum is σ = 67517316. Its totient is φ = 22505770.

The previous prime is 45011537. The next prime is 45011543. The reversal of 45011542 is 24511054.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45011543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11252884 + ... + 11252887.

It is an arithmetic number, because the mean of its divisors is an integer number (16879329).

Almost surely, 2^45011542 is an apocalyptic number.

45011542 is a deficient number, since it is larger than the sum of its proper divisors (22505774).

45011542 is a wasteful number, since it uses less digits than its factorization.

45011542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22505773.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 45011542 is about 6709.0641672293. The cubic root of 45011542 is about 355.7197379698.

Adding to 45011542 its reverse (24511054), we get a palindrome (69522596).

The spelling of 45011542 in words is "forty-five million, eleven thousand, five hundred forty-two".