45162101 has 4 divisors (see below), whose sum is σ = 45600672. Its totient is φ = 44723532.

The previous prime is 45162059. The next prime is 45162109. The reversal of 45162101 is 10126154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45162101 - 2⁶ = 45162037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45162109) 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, 219131 + ... + 219336.

It is an arithmetic number, because the mean of its divisors is an integer number (11400168).

Almost surely, 2^45162101 is an apocalyptic number.

It is an amenable number.

45162101 is a deficient number, since it is larger than the sum of its proper divisors (438571).

45162101 is a wasteful number, since it uses less digits than its factorization.

45162101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438570.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 45162101 is about 6720.2753663819. The cubic root of 45162101 is about 356.1159119462.

Adding to 45162101 its reverse (10126154), we get a palindrome (55288255).

The spelling of 45162101 in words is "forty-five million, one hundred sixty-two thousand, one hundred one".