155033030 has 16 divisors (see below), whose sum is σ = 295475040. Its totient is φ = 58365312.

The previous prime is 155033023. The next prime is 155033033. The reversal of 155033030 is 30330551.

It is a junction number, because it is equal to n+sod(n) for n = 155032993 and 155033011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155033033) 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, 455810 + ... + 456149.

It is an arithmetic number, because the mean of its divisors is an integer number (18467190).

Almost surely, 2^155033030 is an apocalyptic number.

155033030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155033030 is a deficient number, since it is larger than the sum of its proper divisors (140442010).

155033030 is a wasteful number, since it uses less digits than its factorization.

155033030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911983.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 155033030 is about 12451.2260440488. The cubic root of 155033030 is about 537.2066890785.

Adding to 155033030 its reverse (30330551), we get a palindrome (185363581).

The spelling of 155033030 in words is "one hundred fifty-five million, thirty-three thousand, thirty".