155230401 has 8 divisors (see below), whose sum is σ = 207085984. Its totient is φ = 103430880.

The previous prime is 155230391. The next prime is 155230409. The reversal of 155230401 is 104032551.

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

It is not a de Polignac number, because 155230401 - 2⁹ = 155229889 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (155230409) 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, 7060 + ... + 18981.

It is an arithmetic number, because the mean of its divisors is an integer number (25885748).

Almost surely, 2^155230401 is an apocalyptic number.

It is an amenable number.

155230401 is a deficient number, since it is larger than the sum of its proper divisors (51855583).

155230401 is a wasteful number, since it uses less digits than its factorization.

155230401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28031.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 155230401 is about 12459.1492887757. The cubic root of 155230401 is about 537.4345632255.

Adding to 155230401 its reverse (104032551), we get a palindrome (259262952).

The spelling of 155230401 in words is "one hundred fifty-five million, two hundred thirty thousand, four hundred one".