1552405142 has 16 divisors (see below), whose sum is σ = 2393295360. Its totient is φ = 754933608.

The previous prime is 1552405117. The next prime is 1552405147. The reversal of 1552405142 is 2415042551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552405147) 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, 62738 + ... + 83909.

It is an arithmetic number, because the mean of its divisors is an integer number (149580960).

Almost surely, 2^1552405142 is an apocalyptic number.

1552405142 is a deficient number, since it is larger than the sum of its proper divisors (840890218).

1552405142 is a wasteful number, since it uses less digits than its factorization.

1552405142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146795.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1552405142 is about 39400.5728638557. The cubic root of 1552405142 is about 1157.8928109645.

Adding to 1552405142 its reverse (2415042551), we get a palindrome (3967447693).

The spelling of 1552405142 in words is "one billion, five hundred fifty-two million, four hundred five thousand, one hundred forty-two".