124542445 has 8 divisors (see below), whose sum is σ = 149740920. Its totient is φ = 99440640.

The previous prime is 124542437. The next prime is 124542463. The reversal of 124542445 is 544245421.

It can be written as a sum of positive squares in 4 ways, for example, as 465124 + 124077321 = 682^2 + 11139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124542445 - 2³ = 124542437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21300 + ... + 26509.

It is an arithmetic number, because the mean of its divisors is an integer number (18717615).

Almost surely, 2^124542445 is an apocalyptic number.

It is an amenable number.

124542445 is a deficient number, since it is larger than the sum of its proper divisors (25198475).

124542445 is an equidigital number, since it uses as much as digits as its factorization.

124542445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48335.

The product of its digits is 25600, while the sum is 31.

The square root of 124542445 is about 11159.8586460582. The cubic root of 124542445 is about 499.3891807703.

Adding to 124542445 its reverse (544245421), we get a palindrome (668787866).

The spelling of 124542445 in words is "one hundred twenty-four million, five hundred forty-two thousand, four hundred forty-five".