155242606 has 16 divisors (see below), whose sum is σ = 254517120. Its totient is φ = 70698240.

The previous prime is 155242601. The next prime is 155242627. The reversal of 155242606 is 606242551.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155242601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72591 + ... + 74698.

It is an arithmetic number, because the mean of its divisors is an integer number (15907320).

Almost surely, 2^155242606 is an apocalyptic number.

155242606 is a deficient number, since it is larger than the sum of its proper divisors (99274514).

155242606 is a wasteful number, since it uses less digits than its factorization.

155242606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147339.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 155242606 is about 12459.6390798450. The cubic root of 155242606 is about 537.4486481318.

The spelling of 155242606 in words is "one hundred fifty-five million, two hundred forty-two thousand, six hundred six".