155231054 has 16 divisors (see below), whose sum is σ = 254206080. Its totient is φ = 70506360.

The previous prime is 155231051. The next prime is 155231057. The reversal of 155231054 is 450132551.

It is an interprime number because it is at equal distance from previous prime (155231051) and next prime (155231057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155231051) 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, 53657 + ... + 56475.

It is an arithmetic number, because the mean of its divisors is an integer number (15887880).

Almost surely, 2^155231054 is an apocalyptic number.

155231054 is a deficient number, since it is larger than the sum of its proper divisors (98975026).

155231054 is a wasteful number, since it uses less digits than its factorization.

155231054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 155231054 is about 12459.1754943897. The cubic root of 155231054 is about 537.4353168242.

The spelling of 155231054 in words is "one hundred fifty-five million, two hundred thirty-one thousand, fifty-four".