151405022 has 4 divisors (see below), whose sum is σ = 227107536. Its totient is φ = 75702510.

The previous prime is 151405003. The next prime is 151405049. The reversal of 151405022 is 220504151.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 151404985 and 151405003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37851254 + ... + 37851257.

It is an arithmetic number, because the mean of its divisors is an integer number (56776884).

Almost surely, 2^151405022 is an apocalyptic number.

151405022 is a deficient number, since it is larger than the sum of its proper divisors (75702514).

151405022 is an equidigital number, since it uses as much as digits as its factorization.

151405022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75702513.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 151405022 is about 12304.6748026919. The cubic root of 151405022 is about 532.9830857496.

Adding to 151405022 its reverse (220504151), we get a palindrome (371909173).

The spelling of 151405022 in words is "one hundred fifty-one million, four hundred five thousand, twenty-two".