145098537 has 4 divisors (see below), whose sum is σ = 193464720. Its totient is φ = 96732356.

The previous prime is 145098533. The next prime is 145098557. The reversal of 145098537 is 735890541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 735890541 = 3 ⋅245296847.

It is a cyclic number.

It is not a de Polignac number, because 145098537 - 2² = 145098533 is a prime.

It is a super-3 number, since 3×145098537³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (145098533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24183087 + ... + 24183092.

It is an arithmetic number, because the mean of its divisors is an integer number (48366180).

Almost surely, 2^145098537 is an apocalyptic number.

It is an amenable number.

145098537 is a deficient number, since it is larger than the sum of its proper divisors (48366183).

145098537 is an equidigital number, since it uses as much as digits as its factorization.

145098537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48366182.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 145098537 is about 12045.6854101375. The cubic root of 145098537 is about 525.4777655408.

The spelling of 145098537 in words is "one hundred forty-five million, ninety-eight thousand, five hundred thirty-seven".