1552452144 has 40 divisors (see below), whose sum is σ = 4013045232. Its totient is φ = 517155840.

The previous prime is 1552452107. The next prime is 1552452149. The reversal of 1552452144 is 4412542551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1552452149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73212 + ... + 92004.

Almost surely, 2^1552452144 is an apocalyptic number.

It is an amenable number.

1552452144 is an abundant number, since it is smaller than the sum of its proper divisors (2460593088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1552452144 is a wasteful number, since it uses less digits than its factorization.

1552452144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20525 (or 20519 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 1552452144 is about 39401.1693227498. The cubic root of 1552452144 is about 1157.9044966444.

Adding to 1552452144 its reverse (4412542551), we get a palindrome (5964994695).

The spelling of 1552452144 in words is "one billion, five hundred fifty-two million, four hundred fifty-two thousand, one hundred forty-four".