155345416 has 16 divisors (see below), whose sum is σ = 292103100. Its totient is φ = 77451264.

The previous prime is 155345413. The next prime is 155345429. The reversal of 155345416 is 614543551.

It can be written as a sum of positive squares in 2 ways, for example, as 153512100 + 1833316 = 12390^2 + 1354^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (155345413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24681 + ... + 30328.

Almost surely, 2^155345416 is an apocalyptic number.

It is an amenable number.

155345416 is a deficient number, since it is larger than the sum of its proper divisors (136757684).

155345416 is a wasteful number, since it uses less digits than its factorization.

155345416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55368 (or 55364 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 155345416 is about 12463.7641184355. The cubic root of 155345416 is about 537.5672644141.

Adding to 155345416 its reverse (614543551), we get a palindrome (769888967).

The spelling of 155345416 in words is "one hundred fifty-five million, three hundred forty-five thousand, four hundred sixteen".