155497102 has 8 divisors (see below), whose sum is σ = 245521800. Its totient is φ = 73656504.

The previous prime is 155497093. The next prime is 155497109. The reversal of 155497102 is 201794551.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155497109) 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, 2045977 + ... + 2046052.

It is an arithmetic number, because the mean of its divisors is an integer number (30690225).

Almost surely, 2^155497102 is an apocalyptic number.

155497102 is a deficient number, since it is larger than the sum of its proper divisors (90024698).

155497102 is a wasteful number, since it uses less digits than its factorization.

155497102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092050.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 155497102 is about 12469.8477135850. The cubic root of 155497102 is about 537.7421754916.

The spelling of 155497102 in words is "one hundred fifty-five million, four hundred ninety-seven thousand, one hundred two".