152242146 has 32 divisors (see below), whose sum is σ = 386647680. Its totient is φ = 43497648.

The previous prime is 152242133. The next prime is 152242159. The reversal of 152242146 is 641242251.

It is an interprime number because it is at equal distance from previous prime (152242133) and next prime (152242159).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201001 + ... + 201756.

It is an arithmetic number, because the mean of its divisors is an integer number (12082740).

Almost surely, 2^152242146 is an apocalyptic number.

152242146 is an abundant number, since it is smaller than the sum of its proper divisors (234405534).

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

152242146 is a wasteful number, since it uses less digits than its factorization.

152242146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402775 (or 402769 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 152242146 is about 12338.6444150077. The cubic root of 152242146 is about 533.9635753466.

Adding to 152242146 its reverse (641242251), we get a palindrome (793484397).

The spelling of 152242146 in words is "one hundred fifty-two million, two hundred forty-two thousand, one hundred forty-six".