155245342 has 16 divisors (see below), whose sum is σ = 266738400. Its totient is φ = 66382848.

The previous prime is 155245339. The next prime is 155245379. The reversal of 155245342 is 243542551.

It is a super-2 number, since 2×155245342² = 48202232425393928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6063 + ... + 18634.

It is an arithmetic number, because the mean of its divisors is an integer number (16671150).

Almost surely, 2^155245342 is an apocalyptic number.

155245342 is a deficient number, since it is larger than the sum of its proper divisors (111493058).

155245342 is a wasteful number, since it uses less digits than its factorization.

155245342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25155.

The product of its digits is 24000, while the sum is 31.

The square root of 155245342 is about 12459.7488738738. The cubic root of 155245342 is about 537.4518054498.

Adding to 155245342 its reverse (243542551), we get a palindrome (398787893).

The spelling of 155245342 in words is "one hundred fifty-five million, two hundred forty-five thousand, three hundred forty-two".