155144030 has 8 divisors (see below), whose sum is σ = 279259272. Its totient is φ = 62057608.

The previous prime is 155143909. The next prime is 155144051. The reversal of 155144030 is 30441551.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155143987 and 155144005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7757192 + ... + 7757211.

It is an arithmetic number, because the mean of its divisors is an integer number (34907409).

Almost surely, 2^155144030 is an apocalyptic number.

155144030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155144030 is a deficient number, since it is larger than the sum of its proper divisors (124115242).

155144030 is a wasteful number, since it uses less digits than its factorization.

155144030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15514410.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 155144030 is about 12455.6826388601. The cubic root of 155144030 is about 537.3348676070.

Adding to 155144030 its reverse (30441551), we get a palindrome (185585581).

The spelling of 155144030 in words is "one hundred fifty-five million, one hundred forty-four thousand, thirty".