155320414 has 8 divisors (see below), whose sum is σ = 234465048. Its totient is φ = 77165400.

The previous prime is 155320409. The next prime is 155320441. The reversal of 155320414 is 414023551.

It is a happy number.

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

It is a super-3 number, since 3×155320414³ (a number of 26 digits) contains 333 as substring.

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, 247012 + ... + 247639.

It is an arithmetic number, because the mean of its divisors is an integer number (29308131).

Almost surely, 2^155320414 is an apocalyptic number.

155320414 is a deficient number, since it is larger than the sum of its proper divisors (79144634).

155320414 is a wasteful number, since it uses less digits than its factorization.

155320414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494810.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 155320414 is about 12462.7610905449. The cubic root of 155320414 is about 537.5384233574.

Adding to 155320414 its reverse (414023551), we get a palindrome (569343965).

The spelling of 155320414 in words is "one hundred fifty-five million, three hundred twenty thousand, four hundred fourteen".