155451422 has 24 divisors (see below), whose sum is σ = 280002240. Its totient is φ = 64471680.

The previous prime is 155451409. The next prime is 155451427. The reversal of 155451422 is 224154551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155451427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22547 + ... + 28622.

It is an arithmetic number, because the mean of its divisors is an integer number (11666760).

Almost surely, 2^155451422 is an apocalyptic number.

155451422 is a deficient number, since it is larger than the sum of its proper divisors (124550818).

155451422 is a wasteful number, since it uses less digits than its factorization.

155451422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51216 (or 51209 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 155451422 is about 12468.0159608496. The cubic root of 155451422 is about 537.6895132704.

The spelling of 155451422 in words is "one hundred fifty-five million, four hundred fifty-one thousand, four hundred twenty-two".