156400103 has 8 divisors (see below), whose sum is σ = 162828480. Its totient is φ = 150040800.

The previous prime is 156400063. The next prime is 156400121. The reversal of 156400103 is 301004651.

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

It is a cyclic number.

It is not a de Polignac number, because 156400103 - 2²⁶ = 89291239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156400133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12623 + ... + 21728.

It is an arithmetic number, because the mean of its divisors is an integer number (20353560).

Almost surely, 2^156400103 is an apocalyptic number.

156400103 is a deficient number, since it is larger than the sum of its proper divisors (6428377).

156400103 is a wasteful number, since it uses less digits than its factorization.

156400103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34537.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 156400103 is about 12506.0026787139. The cubic root of 156400103 is about 538.7810904336.

Adding to 156400103 its reverse (301004651), we get a palindrome (457404754).

The spelling of 156400103 in words is "one hundred fifty-six million, four hundred thousand, one hundred three".