126331545 has 16 divisors (see below), whose sum is σ = 203987520. Its totient is φ = 66757824.

The previous prime is 126331531. The next prime is 126331591. The reversal of 126331545 is 545133621.

It is not a de Polignac number, because 126331545 - 2⁴ = 126331529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36999 + ... + 40268.

It is an arithmetic number, because the mean of its divisors is an integer number (12749220).

Almost surely, 2^126331545 is an apocalyptic number.

126331545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126331545 is a deficient number, since it is larger than the sum of its proper divisors (77655975).

126331545 is a wasteful number, since it uses less digits than its factorization.

126331545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77384.

The product of its digits is 10800, while the sum is 30.

The square root of 126331545 is about 11239.7306462388. The cubic root of 126331545 is about 501.7691263347.

The spelling of 126331545 in words is "one hundred twenty-six million, three hundred thirty-one thousand, five hundred forty-five".