155235674 has 8 divisors (see below), whose sum is σ = 254022048. Its totient is φ = 70561660.

The previous prime is 155235673. The next prime is 155235677. The reversal of 155235674 is 476532551.

Added to its reverse (476532551) it gives a square (631768225 = 25135²).

It is a happy number.

155235674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×155235674² = 48196228964468552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155235673) 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, 3528062 + ... + 3528105.

It is an arithmetic number, because the mean of its divisors is an integer number (31752756).

Almost surely, 2^155235674 is an apocalyptic number.

155235674 is a deficient number, since it is larger than the sum of its proper divisors (98786374).

155235674 is a wasteful number, since it uses less digits than its factorization.

155235674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056180.

The product of its digits is 126000, while the sum is 38.

The square root of 155235674 is about 12459.3608985373. The cubic root of 155235674 is about 537.4406485034.

Adding to 155235674 its reverse (476532551), we get a square (631768225 = 25135²).

The spelling of 155235674 in words is "one hundred fifty-five million, two hundred thirty-five thousand, six hundred seventy-four".