1572154485 has 32 divisors (see below), whose sum is σ = 2747837952. Its totient is φ = 761225280.

The previous prime is 1572154481. The next prime is 1572154513. The reversal of 1572154485 is 5844512751.

It is a happy number.

It is not a de Polignac number, because 1572154485 - 2² = 1572154481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1572154481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123802 + ... + 135908.

It is an arithmetic number, because the mean of its divisors is an integer number (85869936).

Almost surely, 2^1572154485 is an apocalyptic number.

1572154485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1572154485 is a deficient number, since it is larger than the sum of its proper divisors (1175683467).

1572154485 is a wasteful number, since it uses less digits than its factorization.

1572154485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12913.

The product of its digits is 224000, while the sum is 42.

The square root of 1572154485 is about 39650.4033396887. The cubic root of 1572154485 is about 1162.7822840907.

The spelling of 1572154485 in words is "one billion, five hundred seventy-two million, one hundred fifty-four thousand, four hundred eighty-five".