146155406537 has 4 divisors (see below), whose sum is σ = 167034750336. Its totient is φ = 125276062740.

The previous prime is 146155406519. The next prime is 146155406567. The reversal of 146155406537 is 735604551641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146155406537 - 2¹⁸ = 146155144393 is a prime.

It is a super-2 number, since 2×146155406537² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146155406491 and 146155406500.

It is not an unprimeable number, because it can be changed into a prime (146155406567) 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, 10439671889 + ... + 10439671902.

It is an arithmetic number, because the mean of its divisors is an integer number (41758687584).

Almost surely, 2^146155406537 is an apocalyptic number.

It is an amenable number.

146155406537 is a deficient number, since it is larger than the sum of its proper divisors (20879343799).

146155406537 is an equidigital number, since it uses as much as digits as its factorization.

146155406537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20879343798.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 146155406537 in words is "one hundred forty-six billion, one hundred fifty-five million, four hundred six thousand, five hundred thirty-seven".