153403032435042 has 128 divisors (see below), whose sum is σ = 334876436294400. Its totient is φ = 46565656068096.

The previous prime is 153403032434923. The next prime is 153403032435047. The reversal of 153403032435042 is 240534230304351.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (153403032435047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4111671084 + ... + 4111708392.

It is an arithmetic number, because the mean of its divisors is an integer number (2616222158550).

Almost surely, 2^{153403032435042} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153403032435042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167438218147200).

153403032435042 is an abundant number, since it is smaller than the sum of its proper divisors (181473403859358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153403032435042 is a wasteful number, since it uses less digits than its factorization.

153403032435042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39140.

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 153403032435042 its reverse (240534230304351), we get a palindrome (393937262739393).

The spelling of 153403032435042 in words is "one hundred fifty-three trillion, four hundred three billion, thirty-two million, four hundred thirty-five thousand, forty-two".