1497249745 has 16 divisors (see below), whose sum is σ = 1880968320. Its totient is φ = 1141962624.

The previous prime is 1497249731. The next prime is 1497249769. The reversal of 1497249745 is 5479427941.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1497249745 - 2⁵ = 1497249713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1497249692 and 1497249701.

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, 14101 + ... + 56509.

It is an arithmetic number, because the mean of its divisors is an integer number (117560520).

Almost surely, 2^1497249745 is an apocalyptic number.

It is an amenable number.

1497249745 is a deficient number, since it is larger than the sum of its proper divisors (383718575).

1497249745 is a wasteful number, since it uses less digits than its factorization.

1497249745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42744.

The product of its digits is 2540160, while the sum is 52.

The square root of 1497249745 is about 38694.3115328339. The cubic root of 1497249745 is about 1144.0142020769.

The spelling of 1497249745 in words is "one billion, four hundred ninety-seven million, two hundred forty-nine thousand, seven hundred forty-five".