1552242145 has 8 divisors (see below), whose sum is σ = 1960727040. Its totient is φ = 1176436080.

The previous prime is 1552242127. The next prime is 1552242149. The reversal of 1552242145 is 5412422551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1552242145 - 2⁹ = 1552241633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1552242149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8169601 + ... + 8169790.

It is an arithmetic number, because the mean of its divisors is an integer number (245090880).

Almost surely, 2^1552242145 is an apocalyptic number.

It is an amenable number.

1552242145 is a deficient number, since it is larger than the sum of its proper divisors (408484895).

1552242145 is a wasteful number, since it uses less digits than its factorization.

1552242145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16339415.

The product of its digits is 16000, while the sum is 31.

The square root of 1552242145 is about 39398.5043497847. The cubic root of 1552242145 is about 1157.8522846751.

Adding to 1552242145 its reverse (5412422551), we get a palindrome (6964664696).

The spelling of 1552242145 in words is "one billion, five hundred fifty-two million, two hundred forty-two thousand, one hundred forty-five".