155481043 has 4 divisors (see below), whose sum is σ = 155562688. Its totient is φ = 155399400.

The previous prime is 155481041. The next prime is 155481059. The reversal of 155481043 is 340184551.

155481043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155481043 - 2¹ = 155481041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155480996 and 155481014.

It is not an unprimeable number, because it can be changed into a prime (155481041) 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, 37896 + ... + 41797.

It is an arithmetic number, because the mean of its divisors is an integer number (38890672).

Almost surely, 2^155481043 is an apocalyptic number.

155481043 is a deficient number, since it is larger than the sum of its proper divisors (81645).

155481043 is an equidigital number, since it uses as much as digits as its factorization.

155481043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81644.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 155481043 is about 12469.2037837225. The cubic root of 155481043 is about 537.7236630375.

The spelling of 155481043 in words is "one hundred fifty-five million, four hundred eighty-one thousand, forty-three".