156841002 has 64 divisors (see below), whose sum is σ = 373628160. Its totient is φ = 48641472.

The previous prime is 156840989. The next prime is 156841007. The reversal of 156841002 is 200148651.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (156841007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44248 + ... + 47660.

It is an arithmetic number, because the mean of its divisors is an integer number (5837940).

Almost surely, 2^156841002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156841002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186814080).

156841002 is an abundant number, since it is smaller than the sum of its proper divisors (216787158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156841002 is a wasteful number, since it uses less digits than its factorization.

156841002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484 (or 3478 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 156841002 is about 12523.6177680413. The cubic root of 156841002 is about 539.2868982278.

Adding to 156841002 its reverse (200148651), we get a palindrome (356989653).

The spelling of 156841002 in words is "one hundred fifty-six million, eight hundred forty-one thousand, two".