151605542 has 8 divisors (see below), whose sum is σ = 248081832. Its totient is φ = 68911600.

The previous prime is 151605521. The next prime is 151605547. The reversal of 151605542 is 245506151.

It is a happy number.

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

It is a super-2 number, since 2×151605542² = 45968480730227528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151605547) 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, 3445559 + ... + 3445602.

It is an arithmetic number, because the mean of its divisors is an integer number (31010229).

Almost surely, 2^151605542 is an apocalyptic number.

151605542 is a deficient number, since it is larger than the sum of its proper divisors (96476290).

151605542 is a wasteful number, since it uses less digits than its factorization.

151605542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891174.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 151605542 is about 12312.8202293382. The cubic root of 151605542 is about 533.2182752667.

It can be divided in two parts, 15160 and 5542, that added together give a palindrome (20702).

The spelling of 151605542 in words is "one hundred fifty-one million, six hundred five thousand, five hundred forty-two".