144802457 has 16 divisors (see below), whose sum is σ = 159633408. Its totient is φ = 130893840.

The previous prime is 144802453. The next prime is 144802459. The reversal of 144802457 is 754208441.

It is a cyclic number.

It is not a de Polignac number, because 144802457 - 2² = 144802453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144802451) 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, 28298 + ... + 33020.

It is an arithmetic number, because the mean of its divisors is an integer number (9977088).

Almost surely, 2^144802457 is an apocalyptic number.

It is an amenable number.

144802457 is a deficient number, since it is larger than the sum of its proper divisors (14830951).

144802457 is a wasteful number, since it uses less digits than its factorization.

144802457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 144802457 is about 12033.3892565644. The cubic root of 144802457 is about 525.1201019256.

The spelling of 144802457 in words is "one hundred forty-four million, eight hundred two thousand, four hundred fifty-seven".