1455842397 has 16 divisors (see below), whose sum is σ = 1979489792. Its totient is φ = 951516720.

The previous prime is 1455842389. The next prime is 1455842461. The reversal of 1455842397 is 7932485541.

It is not a de Polignac number, because 1455842397 - 2³ = 1455842389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455842387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25248 + ... + 59574.

It is an arithmetic number, because the mean of its divisors is an integer number (123718112).

Almost surely, 2^1455842397 is an apocalyptic number.

It is an amenable number.

1455842397 is a deficient number, since it is larger than the sum of its proper divisors (523647395).

1455842397 is a wasteful number, since it uses less digits than its factorization.

1455842397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34608.

The product of its digits is 1209600, while the sum is 48.

The square root of 1455842397 is about 38155.5028403506. The cubic root of 1455842397 is about 1133.3693252603.

The spelling of 1455842397 in words is "one billion, four hundred fifty-five million, eight hundred forty-two thousand, three hundred ninety-seven".