155024342 has 8 divisors (see below), whose sum is σ = 253676232. Its totient is φ = 70465600.

The previous prime is 155024341. The next prime is 155024351. The reversal of 155024342 is 243420551.

It is a happy number.

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

It is a super-2 number, since 2×155024342² = 48065093225065928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155024341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3523259 + ... + 3523302.

It is an arithmetic number, because the mean of its divisors is an integer number (31709529).

Almost surely, 2^155024342 is an apocalyptic number.

155024342 is a deficient number, since it is larger than the sum of its proper divisors (98651890).

155024342 is a wasteful number, since it uses less digits than its factorization.

155024342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046574.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 155024342 is about 12450.8771578552. The cubic root of 155024342 is about 537.1966539290.

Adding to 155024342 its reverse (243420551), we get a palindrome (398444893).

The spelling of 155024342 in words is "one hundred fifty-five million, twenty-four thousand, three hundred forty-two".