1488045421 has 4 divisors (see below), whose sum is σ = 1552743072. Its totient is φ = 1423347772.

The previous prime is 1488045409. The next prime is 1488045443. The reversal of 1488045421 is 1245408841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1488045421 - 2²³ = 1479656813 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 (1488045451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32348791 + ... + 32348836.

It is an arithmetic number, because the mean of its divisors is an integer number (388185768).

Almost surely, 2^1488045421 is an apocalyptic number.

It is an amenable number.

1488045421 is a deficient number, since it is larger than the sum of its proper divisors (64697651).

1488045421 is an equidigital number, since it uses as much as digits as its factorization.

1488045421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64697650.

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 1488045421 is about 38575.1917817656. The cubic root of 1488045421 is about 1141.6651108319.

The spelling of 1488045421 in words is "one billion, four hundred eighty-eight million, forty-five thousand, four hundred twenty-one".