155140102 has 16 divisors (see below), whose sum is σ = 250834752. Its totient is φ = 71539200.

The previous prime is 155140093. The next prime is 155140103. The reversal of 155140102 is 201041551.

It is a self number, because there is not a number n which added to its sum of digits gives 155140102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155140103) 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, 39763 + ... + 43489.

It is an arithmetic number, because the mean of its divisors is an integer number (15677172).

Almost surely, 2^155140102 is an apocalyptic number.

155140102 is a deficient number, since it is larger than the sum of its proper divisors (95694650).

155140102 is a wasteful number, since it uses less digits than its factorization.

155140102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 155140102 is about 12455.5249588285. The cubic root of 155140102 is about 537.3303327474.

Adding to 155140102 its reverse (201041551), we get a palindrome (356181653).

The spelling of 155140102 in words is "one hundred fifty-five million, one hundred forty thousand, one hundred two".