145354040019 has 24 divisors (see below), whose sum is σ = 210263088672. Its totient is φ = 96761001600.

The previous prime is 145354039981. The next prime is 145354040063. The reversal of 145354040019 is 910040453541.

It is a happy number.

145354040019 is a `hidden beast` number, since 14 + 53 + 540 + 40 + 0 + 19 = 666.

It is not a de Polignac number, because 145354040019 - 2¹⁵ = 145354007251 is a prime.

It is a super-2 number, since 2×145354040019² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145354040219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22184794 + ... + 22191344.

It is an arithmetic number, because the mean of its divisors is an integer number (8760962028).

Almost surely, 2^145354040019 is an apocalyptic number.

145354040019 is a deficient number, since it is larger than the sum of its proper divisors (64909048653).

145354040019 is a wasteful number, since it uses less digits than its factorization.

145354040019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9787 (or 9784 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 145354040019 in words is "one hundred forty-five billion, three hundred fifty-four million, forty thousand, nineteen".